The elder Dresow branch had in 1784 only one male descendant, Johann Friedrich Wilhelm von Schlieffen (b.
Hans von Schlieffen the Younger left his post as councillor to King Christopher III of Denmark, Norway and Sweden and on 11 July 1444 received a Danish grant of arms at Kalmar, after he had taken the office of mayor of Kolberg.
Limbrecht (or Lambertus) of the Soldekow branch, abbot of the monastery of Oliva near Danzig, and his brothers Wickbold, George and Jacob received from King Sigismund II Augustus of Poland on 19 July 1555 the Polish noble indygenat and additions to their coat of arms, at the Imperial Diet in Petrikau.
He became the fee tail lord at Schlieffenberg, Niglewe, Tolzin, Rahden and Sierhagen in Mecklenburg, as well as Windhausen and Sensenstei in Hesse.
In 1837 he married Virginie von Schlieffen (born 1817) from the Soltikow family, the owner of the estate of Sandow in Pyritz in Pomerania.
From the second comital line came Friedrich Magnus Graf von Schlieffen (born 1796), son of Graf Karl Friedrich von Schlieffen (died 1840), lord of the Herrschaft Großkrausche in Bunzlau and a Prussian major.
A daughter, countess Louise (born 1829), in 1856 married the Prussian chamberlain Friedrich Graf von und zu Egloffstein.
Her father's brother Karl Graf von Schlieffen (born 1798), a Prussian lieutenant colonel, died in 1845 as a royal aide-de-camp.
The latter, Georg Graf von Schlieffen (born 1832), lord at Oberwitz in Upper Silesia, who became a Prussian royal valet de chambre.
A significant member of the family in modern times was Alfred Graf von Schlieffen (born 1833).
In Kolberg cathedral, the Schlieffenkrone is a reminder of the family's influence and importance in the city, being a wooden chandelier from 1523.